most of the readme now done

README.md

@@ -27,9 +27,39 @@ Then you can reference it like the following. This is is my services.cfg
 
 #### Check Connection
 
+This will check each host that is listed in the Mongo Servers group. It will issue a warning if the connection to the server takes 2 seconds and a critical error if it takes over 4 seconds
+
+<pre><code>
+define service {
+    use                 generic-service
+    hostgroup_name          Mongo Servers
+    service_description     Mongo Connect Check
+    check_command           check_mongodb!connect!2!4
+}   
+</code></pre>
+
 #### Check Percentage of Open Connections
 
-#### Check Replication Lag
+This is a test that will check the percentage of free connections left on the Mongo server. In the following example it will send out an warning if the connection pool is 70% used and a critical error if it is 80% used. 
 
+<pre><code>
+define service {
+    use                 generic-service
+    hostgroup_name          Mongo Servers
+    service_description     Mongo Free Connections
+    check_command           check_mongodb!connections!70!80
+}   
+</code></pre>
+
+#### Check Replication Lag
 
+This is a test that will test the replication lag of Mongo servers. It will send out a warning if the lag is over 2 seconds and a critical error if its over 5 seconds
 
+<pre><code>
+define service {
+    use                 generic-service
+    hostgroup_name          Mongo Servers
+    service_description     Mongo Replication Lag
+    check_command           check_mongodb!replication_lag!2!5
+}
+</code></pre>